The BorgWarner EFR B1 6758F turbocharger is a factory-style turbo assembly variant identified by its 0.85 a/r and VOF wastegate configuration. Offered as a complete turbocharger option for compatible applications, it pairs the B1 series compressor and turbine sizing with the specified a/r and wastegate flange choices used in performance and replacement installations for vehicles or builds requiring this exact EFR 6758F specification.
BorgWarner Turbocharger EFR B1 6758F 0.85 a/r VOF WG